this post was submitted on 20 Jan 2026
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I was watching a SciFi tv show where large objects had an outer speed limit of 18000 kph and that got me wondering what things in everyday life are faster than even 500 kph.

I know bullets can be fast, but they are not exactly everyday life (at least in my life).

I included mass for obvious relativistic reasons.

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[–] ch00f@lemmy.world 29 points 3 days ago (3 children)

The air leaving your lungs during a sneeze is moving roughly 100mph.

[–] gothic_lemons@lemmy.world 2 points 1 day ago

I sneeze obnoxiously loud. I bet I break 130 mph easy. How do I go about testing this?

[–] 5715@feddit.org 6 points 2 days ago (5 children)

That's probably the fastest thing a human body by itself can produce...

[–] Tujio@lemmy.world 9 points 2 days ago (1 children)

Modern MLB pitchers can regularly throw a baseball 100+ mph. Currently, the flick of the wrist during a curveball throw is the fastest human motion recorded.

[–] Candice_the_elephant@lemmy.world 4 points 1 day ago* (last edited 1 day ago)

A finger snap is incredibly fast, occurring in just 7 milliseconds, making it the fastest rotational acceleration in the human body, with peak speeds reaching 7,800 degrees per second—about three times faster than a professional baseball pitcher's arm—thanks to the perfect balance of skin friction and compression. 

Not saying you're wrong, just pointing out this is interesting.

A baseball pitcher snapping his fingers is where it's at.

[–] Kyle_The_G@lemmy.world 6 points 2 days ago

Some viruses particles explode out of cells with crazy force. I don't know it off the top of my head but I remember reading about that somewhere.

[–] Zwuzelmaus@feddit.org 6 points 2 days ago (3 children)

thing a human body by itself can produce...

...but nobody has measured my farts yet.

[–] snooggums@piefed.world 9 points 2 days ago

Nobody has measured your farts and lived.

[–] wreckedcarzz@lemmy.world 4 points 2 days ago

We have liftoff

[–] 5715@feddit.org 2 points 2 days ago

Road~~runner~~farter

[–] I_Has_A_Hat@lemmy.world 1 points 2 days ago

Some MLB pitchers are able to throw baseballs faster than 100MPH. Nerve signals can travel through the body at 200MPH.

[–] Onomatopoeia@lemmy.cafe 3 points 2 days ago

Wow, that's nuts